684621440

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8423}}^1$

素因数の和:8569

約数の個数: 64

約数和(自身を含む): 1649756160

約数和(自身を除く): 965134720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 8423, 10160, 16256, 16846, 20320, 33692, 40640, 42115, 67384, 81280, 84230, 134768, 168460, 269536, 336920, 539072, 673840, 1069721, 1078144, 1347680, 2139442, 2695360, 4278884, 5348605, 5390720, 8557768, 10697210, 17115536, 21394420, 34231072, 42788840, 68462144, 85577680, 136924288, 171155360, 342310720, 684621440]

約数ペア:

[(1, 684621440), (2, 342310720), (4, 171155360), (5, 136924288), (8, 85577680), (10, 68462144), (16, 42788840), (20, 34231072), (32, 21394420), (40, 17115536), (64, 10697210), (80, 8557768), (127, 5390720), (128, 5348605), (160, 4278884), (254, 2695360), (320, 2139442), (508, 1347680), (635, 1078144), (640, 1069721), (1016, 673840), (1270, 539072), (2032, 336920), (2540, 269536), (4064, 168460), (5080, 134768), (8128, 84230), (8423, 81280), (10160, 67384), (16256, 42115), (16846, 40640), (20320, 33692)]